Running out of fuel and shouldn't be.... Help??
06-13-2016, 04:02 PM
#1
Running out of fuel and shouldn't be.... Help??
My setup... Built motor 8.8-1, cjm fuel return, headers, test pipes, vortech v2 sci trim with 2.87 pulley, 5/16 plenum spacer, 600cc injectors, walbro 255.
Ran out of injector at around 6000rpm 414whp. Fuel pressure is set to 55lbs at idle and my afr is solid. I just feel like 600cc injectors should have got me further. Any input would be awesome.... Thanks
Ran out of injector at around 6000rpm 414whp. Fuel pressure is set to 55lbs at idle and my afr is solid. I just feel like 600cc injectors should have got me further. Any input would be awesome.... Thanks
06-13-2016, 08:54 PM
#3
350Z-holic
iTrader: (13)
My setup... Built motor 8.8-1, cjm fuel return, headers, test pipes, vortech v2 sci trim with 2.87 pulley, 5/16 plenum spacer, 600cc injectors, walbro 255.
Ran out of injector at around 6000rpm 414whp. Fuel pressure is set to 55lbs at idle and my afr is solid. I just feel like 600cc injectors should have got me further. Any input would be awesome.... Thanks
Ran out of injector at around 6000rpm 414whp. Fuel pressure is set to 55lbs at idle and my afr is solid. I just feel like 600cc injectors should have got me further. Any input would be awesome.... Thanks
06-13-2016, 10:22 PM
#6
SC's eat a ton of fuel and the main feed line is very small, so you likly have a restrictions there.. You need a Stage 2 CJM. Charles can give you the part to convert it to a Stage 2.
What WHP to you expect to make?
But the next step up is a DW300
What WHP to you expect to make?
But the next step up is a DW300
Last edited by OldManZ350; 06-13-2016 at 11:31 PM.
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06-14-2016, 07:07 AM
#13
Do you think head work or cams do more justice for a FI build? Im going to be heading down the FI rabbit hole soon here my self and thought cams were read to be a waste of $$ for the gain. At least for N/A people seem to be across the board the stock Z cam is pretty solid on its own.. does it make that big of a difference for FI?
Specific cams/cam type you would recommend? Or again is head work better suited?
I know your the old man to beat ATM with stock block so Im all ears with your opinion.
06-14-2016, 07:59 AM
#14
Do you think head work or cams do more justice for a FI build? Im going to be heading down the FI rabbit hole soon here my self and thought cams were read to be a waste of $$ for the gain. At least for N/A people seem to be across the board the stock Z cam is pretty solid on its own.. does it make that big of a difference for FI?
Specific cams/cam type you would recommend? Or again is head work better suited?
I know your the old man to beat ATM with stock block so Im all ears with your opinion.
Specific cams/cam type you would recommend? Or again is head work better suited?
I know your the old man to beat ATM with stock block so Im all ears with your opinion.
You have to remember power is all made with the heads! The more air that moves through the head the more power you can make!
06-14-2016, 08:23 AM
#15
Yup Air, Fuel Spark. The more of each, the bigger boom, the bigger boom the faster zoom.
So Im assuming the way you stated porting/polishing would increase more than a cam job? Only thing Ive dug into is FI and Im still lost on where/what the hell I want/need for my goals. Once I get past that mountain I'll probably ream more up on the rest of it.
Hell I still haven't even finished rebuilding the front end on my car yet lol
But Im realistically looking to TOPS a 450WHP if not 400, at least for now 350-400WHP is my objective for boost when installed with a single.. I know that's plenty. I don't need/want a record setter or be one of those I HAVE to have 875 WHP to beat Hondas and lambo guys haha. Just something to get my a tickle on a highway with a solid 5th gear pull and something that will actually do something on the local drag strip once a blue moon.
So Im assuming the way you stated porting/polishing would increase more than a cam job? Only thing Ive dug into is FI and Im still lost on where/what the hell I want/need for my goals. Once I get past that mountain I'll probably ream more up on the rest of it.
Hell I still haven't even finished rebuilding the front end on my car yet lol
But Im realistically looking to TOPS a 450WHP if not 400, at least for now 350-400WHP is my objective for boost when installed with a single.. I know that's plenty. I don't need/want a record setter or be one of those I HAVE to have 875 WHP to beat Hondas and lambo guys haha. Just something to get my a tickle on a highway with a solid 5th gear pull and something that will actually do something on the local drag strip once a blue moon.
Last edited by CK_32; 06-14-2016 at 08:24 AM.
06-14-2016, 02:27 PM
#16
Fi is not just Fi.......
A Supercharger is a very different animal than a turbo.......
Cams and Headwork would add power much like on an NA.
A Supercharger is a very different animal than a turbo.......
Cams and Headwork would add power much like on an NA.
Do you think head work or cams do more justice for a FI build? Im going to be heading down the FI rabbit hole soon here my self and thought cams were read to be a waste of $$ for the gain. At least for N/A people seem to be across the board the stock Z cam is pretty solid on its own.. does it make that big of a difference for FI?
Specific cams/cam type you would recommend? Or again is head work better suited?
I know your the old man to beat ATM with stock block so Im all ears with your opinion.
Specific cams/cam type you would recommend? Or again is head work better suited?
I know your the old man to beat ATM with stock block so Im all ears with your opinion.
06-14-2016, 02:32 PM
#17
I don't get people. They ask for advise and then through it out the window.
Why would anybody spend all that money building a motor and then not spend the money to give it what it needs to Run Right?
Some people just have no business owning a car. they should walk or take the bus.
REMEMBER GUYS MY MOTOR IS STOCK AND UN-TOUCHED. I JUST GAVE IT WHAT IT NEEDED TO MAKE REAL HP
Why would anybody spend all that money building a motor and then not spend the money to give it what it needs to Run Right?
Some people just have no business owning a car. they should walk or take the bus.
REMEMBER GUYS MY MOTOR IS STOCK AND UN-TOUCHED. I JUST GAVE IT WHAT IT NEEDED TO MAKE REAL HP
Last edited by OldManZ350; 06-14-2016 at 02:34 PM.
06-15-2016, 09:04 AM
#18
I would never recommend anything less than 1000 cc injectors for FI on our platform. There is no downside - same cost, great driveability, stoich AFR at idle. In fact, with the new 1300 cc ID injectors, I would favor those. Those allow me to hit over 800 whp on E85. Only one purchase ever needed for injectors...
Last edited by rcdash; 06-15-2016 at 09:05 AM.
06-15-2016, 11:37 AM
#19
I don't get people. They ask for advise and then through it out the window.
Why would anybody spend all that money building a motor and then not spend the money to give it what it needs to Run Right?
Some people just have no business owning a car. they should walk or take the bus.
REMEMBER GUYS MY MOTOR IS STOCK AND UN-TOUCHED. I JUST GAVE IT WHAT IT NEEDED TO MAKE REAL HP
Why would anybody spend all that money building a motor and then not spend the money to give it what it needs to Run Right?
Some people just have no business owning a car. they should walk or take the bus.
REMEMBER GUYS MY MOTOR IS STOCK AND UN-TOUCHED. I JUST GAVE IT WHAT IT NEEDED TO MAKE REAL HP
Because its MUCH easier and cheaper to just say you have a blown turbo motor. Than spend the cash and say you have a working turbo motor lol
Cool points come quick and easy, actual respect comes with hard time.
